Home / 13,515.72-20,273.50-3,654.96

Finding the Fourth Proportional to 13,515.72, 20,273.50 and 3,654.96

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Solution

The fourth proportional to 13,515.72, 20,273.50 and 3,654.96 is: 5,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.72 : 20,273.50 = 3,654.96 : x
  2. Step 2: Convert to fraction form
    13,515.72/20,273.50 = 3,654.96/x
  3. Step 3: Cross multiply
    13,515.72x = 20,273.50 × 3,654.96
  4. Step 4: Simplify right side
    13,515.72x = 74,098,831.56
  5. Step 5: Solve for x
    x = 74,098,831.56/13,515.72
  6. Step 6: Final answer
    x = 5,482.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.